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Opentel odt 4200 pvr Manual

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TECHNICAL SPECIFICATIONS
30
TROUBLE SHOOTING
29
Problem Solution
Does not display LED on
the front panel or the
receiver has no power
No pictures on the screen
No sound
Remote Control does not
operate
Poor picture quality
- Connect the power cord to the power outlet properly.
- Check if the receiver is in standby mode.
- Check if the video output port is firmly connected to the TV.
- Check if you have selected the correct channel or video
output on your TV
- Connect the audio cords properly.
- Check the volume level of the TV.
- Press key.
- Point remote control directly towards the receiver.
- Check and replace batteries.
- Check the signal strength in the Automatic Channel
Search menu. If this is low, try to adjust the channel
frequency
Searching Signal
- Connect the antenna cable properly..
- Check the signal strength in the Automatic Channel Search
menu.
About the Receiver
8. TROUBLE SHOOTING
9. TECHNICAL SPECIFICATIONS
On - Screen Error Messages
l. Tuner
Input Frequency
Input Level
Input Impedance
Connector Type
Channel Selection
IF Band Width
2. Demodulator
OFDM Spectrum
Modulation mode
Guard Interval Mode
Active symbol duration
FEC Decoder
3. Video Decoder
System Decoding
Profile and Level
Video Formats
Video System
RF Output
4. Audio Decoder
System Decoding
Audio Mode
Audio Control
5. Chip & Memory
CPU
Memory
UHF 470 ~ 862 MHz
VHF 174 ~ 230 MHz
-80 ~ -20 dBm
75Ω Unbalanced
`IEC' Type Female
PLL Synthesizer
UHF/ 8 MHz, VHF/ 7 MHz
2K and 8K Carrier Modes
non-hierarchical and hierarchical
QPSK, 16QAM, 64QAM
1/32, 1/16, 1/8, 1/4
Active symbol duration
1/2, 2/3, 3/4, 5/6, 7/8
MPEG-2 ISO/IEC 13818-2
MPEG-2 MP@ML
4:3(Normal) & 16:9(Widescreen)
PAL <-> NTSC Converter
CH. 21-69 (PAL B/G, I, D/K)
MPEG-1 Layer I & II (Musicam Audio)
Mono, Dual, Stereo, Joint Stereo, channel
20 Steps Level
32 Bit RISC CPU
2MB Flash Memory
8MSDRAM
×2
2KB EEPROM
… 16 …


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